Unitree A1 - Technical Specifications; Robot Weight and Dimensions; Performance and System Specs; Safety and Interface Features

Specifications
A1
Machine Weight(with battery) 12 kg
Dimensions(Stand） l 500×300×400 mm（L×W×H）
Dimensions(Folded) 450×300×150 mm（L×W×H）
Maximum Walking Speed 3.3 m/s
Operating Time 1-2.5 h
Real-time HD Video Transmission 0.1-0.2 s delay
Payload 5kg
DOFS 12
Joint Torque 33.5 NM
Joint Maximum Speed 21 rad/s
Foot Force Sensors 4
Protection Mode Emergency stop, Fall protection, Overheat
Warning System Low voltage, High temperature
Short circuit, Overcharge
RTOS Motion control：Ubuntu
Environmental awareness：Ubuntu-ROS
Abundant External Interface HDMI×1
FE×1
USB 3.0×2
Optional Lidar Dynamic obstacle avoidance,
Navigation planning，Map construction
Autonomous positioning
Optional NVIDIA TX2 etc. Gesture recognition, Visual SLAM
Professional secondary development
Remote Controller
Operating Time 2.5 h
Max Transmission Distance 1 km
Battery
Capacity 4200 mAh
Voltage 21.6 V
Battery Type Lithium-ion 6S